TY  - BOOK
ED  - British Standards Institution
TI  - Universal Decimal Classification: class 622 mining and mineral dressing, 623 military and naval engineering-ordnance-arms production
PY  - 1955///
CY  - London
PB  - B.S.I.
KW  - BibliotecologÃ­a
KW  - Cdu
KW  - Clasificaciones decimales
KW  - IngenierÃ­a militar
KW  - MinerÃ­a
KW  - Sistemas de clasificaciÃ³n
KW  - Libro
ER  -